New Zealand Journal of Marine and Freshwater Research abstracts
The Wairarapa Coastal Current
STEPHEN M. CHISWELL
National Institute of Water & Atmospheric
Research Ltd
P. O. Box 14 901
Wellington, New Zealand
email: s.chiswell@niwa.cri.nz
Abstract A new name is proposed for the relatively cool,
fresh, northwards-directed flow along the Wairarapa coast of New Zealand. Data
from two research cruises plus historical hydrocast data are used to show that
the water within this current is modified subtropical water with sources likely
to be the Southland and D'Urville currents. This current has previously been
known as the Canterbury Current or as an extension of the Southland Current,
but because of its source and location, a better name is the Wairarapa Coastal
Current. One-month-long current meter records made off the Wairarapa coast show
flow continuously to the north during February 1998. Volume transports within
the Wairarapa Coastal Current in February 1998 were c. 1.6 Sv off Cape
Palliser, diminishing northwards as the current becomes entrained into the East
Cape Current.
Keywords Wairarapa; coastal current; water mass analysis
M99037
Received 23 June 1999; accepted 17 January 2000
PDF file of entire paper: medium quality (3232K); (scanned from paper original: notes about this process)
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